Pipe coupling



FIG. 1 is a perspective view taken from the top, front and right side ofa pipe coupling showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective view taken from the top, front and right side ofa socket portion thereof;

FIG. 9 is a front elevational view of FIG. 8;

FIG. 10 is a top plan view of FIG. 8;

FIG. 11 is a right side elevational view of FIG. 8;

FIG. 12 is a left side elevational view of FIG. 8;

FIG. 13 is a rear elevational view of FIG. 8;

FIG. 14 is a bottom plan view of FIG. 8;

FIG. 15 is a perspective view taken from the top, back and right side ofa plug portion thereof;

FIG. 16 is a front elevational view of FIG. 15, the top, the bottom andthe rear being a mirror image of the front shown;

FIG. 17 is a left side elevational view of FIG. 15; and,

FIG. 18 is a right side elevational view of FIG. 15.

The ornamental design for a pipe coupling, as shown and described.